What Is Glow-in-the-Dark Ink? Luminescent Ink Guide
Home › News › What Is Glow-in-the-Dark Ink? Luminescent Ink Guide
2026-08-04 published · updated
SJH glow-in-the-dark ink (white-green): stores light energy under daylight or UV, glows white-green in the dark for hours.
Glow-in-the-dark ink (luminescent ink) absorbs light energy and glows in the dark.
What It Is
Absorbs natural or UV light, then emits light in the dark with selectable duration and brightness. Eco-friendly and reusable.
Applications
Toys and cultural products
Safety signs and escape indicators
Security patterns visible in the dark
SJH Ink offers custom glow ink (including water-based) with free printed proofs. Tel 13510998453, www.sjhink.com.
Frequently Asked Questions
Selection, detection, printing and ordering — answered.
What is glow-in-the-dark ink?
Also called luminous or phosphorescent ink. It absorbs natural or UV light and continues to glow in the dark, combining practical function with visual appeal.
How long does the glow last?
Glow duration is adjustable from a few minutes to several hours depending on the formula and coating thickness, and can be matched to the application.
Is glow-in-the-dark ink safe? Can it be reused?
It uses an eco-friendly formulation with a high safety profile, and it cycles repeatedly through charge and glow with stable performance.
Where is glow-in-the-dark ink typically used?
Three areas: glow effects on toys and creative products; safety signage and escape routing; and security graphics that appear only in the dark.
What can be customised?
Glow colour (green, blue and others) and glow duration are both customisable, and printed proofs can be supplied so you can judge actual brightness and afterglow.